06-04-2022, 10:18 AM | #1 |
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G20 laser lights retrofit - high beam malfunction warning
I replaced adaptive LED with Laser lights on my G20. Added 5AZ to FA, removed 5A4. VO coded both FLM2 and BDC by "Detect CAF for SWE". Checked KAFAS - looks like detected CAFD matches actual. Everything seems to be working including high beams, but each time when I start engine it gives me "Left high beam malfunction, Right high beam malfunction" warnings, which stay. Any thoughts on what might be causing them and how to get rid of them?
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06-04-2022, 01:44 PM | #2 | |
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06-04-2022, 10:17 PM | #3 |
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06-14-2022, 03:04 AM | #4 | |
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I will be in Los Angeles in a couple weeks if you still need assistance. |
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06-14-2022, 01:28 PM | #5 | |
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I wonder if it is looking for some advanced high beam related features like High Beam Assist which might be part of 5AZ in US, but which my car does not have. As I understand HBA requires separate button on the left stock, which I dont have. |
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06-14-2022, 02:51 PM | #6 | |
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On the 2021 Ordering Guide, 5AC was standard; but, maybe you have another year or there were part shortages. Yes, steering wheel column with HBA switch is needed if you want HBA. |
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06-14-2022, 05:53 PM | #7 | |
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06-15-2022, 02:35 AM | #8 | |
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02-28-2023, 06:11 AM | #9 | |
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03-03-2023, 04:43 AM | #10 |
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03-05-2023, 12:53 AM | #11 |
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04-16-2023, 09:49 AM | #12 |
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Hello,
I am having a same issue. Retrofitted laser headlights to my normal adaptive light G20 without new stalk. Both headlights are working but right headlight is giving high beam fault. It seems that when I first open the vehicle, high beam bulb is moving up and down and then giving error. And after when I turn high beams, left high beam is moving as intended but right high beam is not moving at all. Did anybody now what can be the issue? |
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04-17-2023, 05:14 AM | #13 | |
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04-21-2023, 09:06 AM | #15 | |
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Unless your car is a transformer, you cannot “code” LEDs into laser diodes and phosphorous gas. |
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05-02-2023, 01:41 PM | #16 |
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06-02-2023, 05:01 PM | #18 |
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I’ve successfully retro fitted lasers to mine that previously just have adaptive.
Had to change the stalk and get a guy to remotely code it. Quite a complicated procedure especially if HBA isn’t available from the connected store. He managed to make it available to buy though. |
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06-02-2023, 06:41 PM | #19 | |
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Can the existing modules be swapped? What coding changes did you make? So far, I tried using the modules that came with the laser headlights, removed 552 and added 5AZ to the VO, but got DRL, low/high beam errors. My old modules from my LED headlights in the laser headlights seem to work okay, but coded w/ 552 and not 5AZ. 5AZ triggers faults as well. |
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06-03-2023, 01:36 AM | #20 | |
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The DRL modules are probably the same however. |
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06-03-2023, 04:14 AM | #21 |
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Which ECUs did you VO Code using the modified FA? FLM2s? BDC?
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06-03-2023, 09:36 AM | #22 | ||
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I think I might have received some bad modules from the seller so I'm going to rule that out within the next few days. |
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g20, laser lights, retrofit coding |
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